Boric oxide, also known as boron trioxide, is a chemical compound with the formula B2O3. It appears as a white, glassy solid and is primarily used in the production of glass and ceramics. Boric oxide plays a crucial role in enhancing the durability and thermal resistance of these materials. In addition to its use in glassmaking, boric oxide is also utilized in the manufacture of fiberglass and as a flux in metallurgy. It can act as a mild antiseptic and is sometimes found in insecticides. Its versatility makes it an important compound in various industrial applications.